The history of South Australia includes the history of the Australian state of South Australia since Federation in 1901, and the area's preceding Indigenous and British colonial societies. Aboriginal Australians of various nations or tribes have lived in South Australia for at least thirty thousand years, while British colonists arrived in the 19th century to establish a free colony. The South Australia Act, 1834 created the Province of South Australia, built according to the principles of systematic colonisation, with no convict settlers; after the colony nearly went bankrupt, the South Australia Act 1842 gave the British Government full control of South Australia as a Crown Colony. After some amendments to the form of government in the intervening years, South Australia became a self-gov